Qt 4.5: tictactoetaskmenu.cpp Example File (designer/taskmenuextension/tictactoetaskmenu.cpp)

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# tictactoetaskmenu.cpp Example File
designer/taskmenuextension/tictactoetaskmenu.cpp

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     #include <QtDesigner>
     #include <QtGui>

     #include "tictactoe.h"
     #include "tictactoedialog.h"
     #include "tictactoetaskmenu.h"

     TicTacToeTaskMenu::TicTacToeTaskMenu(TicTacToe *tic, QObject *parent)
         : QObject(parent)
     {
         ticTacToe = tic;

         editStateAction = new QAction(tr("Edit State..."), this);
         connect(editStateAction, SIGNAL(triggered()), this, SLOT(editState()));
     }

     void TicTacToeTaskMenu::editState()
     {
         TicTacToeDialog dialog(ticTacToe);
         dialog.exec();
     }

     QAction *TicTacToeTaskMenu::preferredEditAction() const
     {
         return editStateAction;
     }

     QList<QAction *> TicTacToeTaskMenu::taskActions() const
     {
         QList<QAction *> list;
         list.append(editStateAction);
         return list;
     }

     TicTacToeTaskMenuFactory::TicTacToeTaskMenuFactory(QExtensionManager *parent)
         : QExtensionFactory(parent)
     {
     }

     QObject *TicTacToeTaskMenuFactory::createExtension(QObject *object,
                                                        const QString &iid,
                                                        QObject *parent) const
     {
         if (iid != Q_TYPEID(QDesignerTaskMenuExtension))
             return 0;

         if (TicTacToe *tic = qobject_cast<TicTacToe*>(object))
             return new TicTacToeTaskMenu(tic, parent);

         return 0;
     }